ZA202101569B - Image encoding/decoding method and device using intra prediction - Google Patents

Image encoding/decoding method and device using intra prediction

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Publication number
ZA202101569B
ZA202101569B ZA2021/01569A ZA202101569A ZA202101569B ZA 202101569 B ZA202101569 B ZA 202101569B ZA 2021/01569 A ZA2021/01569 A ZA 2021/01569A ZA 202101569 A ZA202101569 A ZA 202101569A ZA 202101569 B ZA202101569 B ZA 202101569B
Authority
ZA
South Africa
Prior art keywords
intra prediction
decoding method
image encoding
encoding
decoding
Prior art date
Application number
ZA2021/01569A
Other languages
English (en)
Inventor
Ki Baek Kim
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of ZA202101569B publication Critical patent/ZA202101569B/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding
ZA2021/01569A 2018-09-07 2021-03-08 Image encoding/decoding method and device using intra prediction ZA202101569B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20180107255 2018-09-07
PCT/KR2019/011554 WO2020050684A1 (ko) 2018-09-07 2019-09-06 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치

Publications (1)

Publication Number Publication Date
ZA202101569B true ZA202101569B (en) 2022-08-31

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ZA2021/01569A ZA202101569B (en) 2018-09-07 2021-03-08 Image encoding/decoding method and device using intra prediction

Country Status (15)

Country Link
US (5) US11477439B2 (ko)
EP (1) EP3833021A4 (ko)
JP (3) JP7448526B2 (ko)
KR (1) KR20200028856A (ko)
CN (4) CN116405679A (ko)
AU (1) AU2019336038A1 (ko)
BR (1) BR112021004024A2 (ko)
CA (1) CA3111982C (ko)
CL (1) CL2021000527A1 (ko)
IL (1) IL281221A (ko)
MX (1) MX2021002608A (ko)
PH (1) PH12021550480A1 (ko)
SG (1) SG11202102238SA (ko)
WO (1) WO2020050684A1 (ko)
ZA (1) ZA202101569B (ko)

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Also Published As

Publication number Publication date
WO2020050684A1 (ko) 2020-03-12
US20230024482A1 (en) 2023-01-26
CN112806001A (zh) 2021-05-14
JP7448526B2 (ja) 2024-03-12
AU2019336038A1 (en) 2021-04-01
US20210195176A1 (en) 2021-06-24
JP2024059906A (ja) 2024-05-01
CN116389742A (zh) 2023-07-04
JP2022501881A (ja) 2022-01-06
SG11202102238SA (en) 2021-04-29
EP3833021A4 (en) 2021-10-06
JP2024059905A (ja) 2024-05-01
BR112021004024A2 (pt) 2021-05-25
CL2021000527A1 (es) 2021-08-20
MX2021002608A (es) 2021-05-12
CA3111982A1 (en) 2020-03-12
KR20200028856A (ko) 2020-03-17
PH12021550480A1 (en) 2021-10-11
US11477439B2 (en) 2022-10-18
CN113225557A (zh) 2021-08-06
IL281221A (en) 2021-04-29
US20230026704A1 (en) 2023-01-26
CA3111982C (en) 2024-02-27
CN113225557B (zh) 2023-06-20
US20230026401A1 (en) 2023-01-26
CN116405679A (zh) 2023-07-07
EP3833021A1 (en) 2021-06-09
US20230024256A1 (en) 2023-01-26

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